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首页> 外文期刊>Applied physics >Flexible laser diode trace gas sensor based on cavity ringdown spectroscopy with an optical fiber-coupled high-finesse external-cavity diode laser
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Flexible laser diode trace gas sensor based on cavity ringdown spectroscopy with an optical fiber-coupled high-finesse external-cavity diode laser

机译：基于腔衰荡光谱的柔性激光二极管痕量气体传感器和光纤耦合的高精细外腔二极管激光器

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摘要

A flexible and portable trace nitrogen dioxide sensor based on cavity ringdown spectroscopy using an optical fiber-coupled high-finesse cavity was successfully demonstrated. Tailoring the spatial mode matching condition of the core of an optical fiber and high-finesse external cavity allows for effective optical feedback into an antirefiection-coated laser diode for stable resonant enhancement of the external cavity. The external cavity, which works as a ringdown cavity, could be remotely located from the light source and receiver section by only a single mode optical fiber. The sensitivity was found to be 1.0 × 10~(-7) cm~(-1) in a compact 1-cm~3 ringdown cavity volume.
机译：成功地展示了一种基于腔衰荡光谱的柔性便携式痕量二氧化氮传感器，该传感器使用了光纤耦合的高精细腔。量身定制光纤和高精细外腔纤芯的空间模式匹配条件，可以有效地将光反馈到抗反射涂层的激光二极管中，以稳定地增强外腔的共振。用作环形腔的外腔可以仅通过单模光纤远离光源和接收器部分放置。在紧凑的1-cm〜3振铃腔体积中，灵敏度为1.0×10〜（-7）cm〜（-1）。

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  • 来源
    《Applied physics》 |2009年第4期|741-744|共4页
  • 作者

    J. Sato; M. Kikukawa; S. Yamaguchi; M. Endo; K. Tei; K. Nanri; T. Fujioka;

  • 作者单位

    Department of Physics, School of Science, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa 259-1292, Japan;

    Department of Physics, School of Science, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa 259-1292, Japan;

    Department of Physics, School of Science, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa 259-1292, Japan;

    Department of Physics, School of Science, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa 259-1292, Japan;

    Department of Physics, School of Science, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa 259-1292, Japan;

    Department of Physics, School of Science, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa 259-1292, Japan;

    Department of Physics, School of Science, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa 259-1292, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing; semiconductor lasers; laser diodes; laser spectroscopy;

    机译：传感器（化学;光学;电气;运动;气体等）;遥感;半导体激光器;激光二极管激光光谱;

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